Audio recording electronic hardware, namely, digital and analog sound wave sensing and electrical signal conversion microphones, amplifiers and signal processors; digital and analog recorders, namely, audio DVD, compact disc, cassette, and digital hard drive memory recording devices; audio records featuring musical sounds and natural sounds; computer software for use to signal process, store, download, index and playback audio recordings; audio discs featuring musical sound and natural sounds; and audio playback electronic hardware, namely, amplifiers, signal processors, and players, namely, audio DVD, CD, cassette, and digital hard drive memory playing devices; audio speakers for ambient sound therapy
Electrical and Scientific Apparatus